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Are you tired of your Expedition feeling like it’s stuck in molasses when you hit the gas? Say hello to the Circle D Pro Series Torque Converter! These bad boys are like a double shot of espresso for your ride, waking it up from its sluggish morning stupor. Whether you’re rocking a naturally aspirated beast or a forced induction monster, we’ve got the perfect converter size for you: 245mm, 258mm, or 265mm. It’s like choosing your favorite flavor at an ice cream shop, but instead of Rocky Road, it’s “More Power, Please!”
245mm: Ideal for naturally aspirated Mustang GTs with the 5.0L V8 engine and V6 3.7L Mustangs. Nitrous cars up to 150 HP also dig this size. Max recommended WHP? Around 500.
258mm: The Goldilocks size for all naturally aspirated Ford F-150s and Mustang GTs with forced induction. If your Mustang is pushing over 600 WHP, this converter is your wingman. Also great for Ford Ecoboost F150s.
265mm: Calling all Ford F150s with forced induction! Especially those making over 500 WHP. And if your Mustang GT is flexing 800+WHP, this is your ticket to torque town.
Why Should You Care?
So, fellow torque enthusiast, why settle for stock when you can have stall speed perfection? Upgrade your Expedition’s mojo today!
Got Questions? Need More Power?
If you’re scratching your head or craving even more ponies, dial up the MPT Performance experts at (407) 636-7077 or shoot us an email. We’re like automotive Yodas—wise, friendly, and ready to guide you to torque nirvana.
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Man what a difference! I was running a tune from another company previously and after making the switch I am so impressed. The other company had rough shift timing, and what I can only describe as “dirty power”. After getting wit MPT, it’s smooth, quick and clean. Would 100% recommend.
I’ve never owned a Tuner before, but this Tuner seems to be as promised and very intuitive and easy to work with. I would recommend this to anyone who asked.
I was trying to decide between MPT and another company I decided go with MPT first much much better customer service and once I downloaded I feel the difference right away.
It is better tune. No regrets at all.
2025 F150 Powerboost. Purchased SCT bdx and 3 tune bundle and couldn't be more pleased. Customer service is top notch and the instructions to download and install the tunes was easy to understand. This is coming from a guy that has never tuned his own vehicle. The turnaround to get the tunes was lightning fast. 93 PRX tune really woke up the truck.
Tuning is very satisfying, even on German Autobahns!